Volume 9, Number 5—May 2003
Research
Estimating the Incidence of Typhoid Fever and Other Febrile Illnesses in Developing Countries
John A. Crump*
, Fouad G. Youssef†, Stephen P. Luby*, Momtaz O. Wasfy†, Josefa M. Rangel*, Maha Taalat†, Said A. Oun‡, and Frank J. Mahoney*†
, Fouad G. Youssef†, Stephen P. Luby*, Momtaz O. Wasfy†, Josefa M. Rangel*, Maha Taalat†, Said A. Oun‡, and Frank J. Mahoney*†
Table
Incidence estimates for typhoid fever and brucellosis, Bilbeis District, Egypt, 2001
| Disease | No. of cases captured by surveillance site type
Crude (adjusteda) |
Test sensitivity multiplier | Seasonality multiplier | Total cases | Incidence (/100,000) | |||
|---|---|---|---|---|---|---|---|---|
| Fever hospital) | Fever specialist | Primary provider | Total | |||||
| Typhoid fever |
6.0 (6.0) |
13.0 (13.0) |
0.0 |
19.0 (19.0) |
2.0 |
2.2 |
83.6 |
12.6 |
| Brucellosis | 15.0 (15.0) | 12.0 (12.0) | 4.0 (27.2) | 31.0 (54.2) | 1.0 | 2.2 | 119.2 | 18.0 |
aAdjusted for health provider sampling scheme. No multiplier is applied for cases identified at the fever hospital and among fever specialists. A multiplier of 6.8 is applied for cases identified among primary providers.
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